OpenTechnical

OT-2026-000083538

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000083538) never changes.

Identity and time

Publication numberOT-2026-000083538 · never reused
Internal UUID01a0ae98-0415-7500-aab2-b90aa2e2d04e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083538
StatusPUBLIC

Content hashes

Canonical text97c12a047feadc0e0cc600766906217ebf0108d2678e99cf914b3897619fc1c5
Markdown6f540c622d0746c42ab172ee4ee63ebac25b9625925c220e5c83de835d5db5fa
PDF
Publication page811e9d60e20e8d541eee23a17708754215f1cc5a03575a5b953be9c9520b1843
Manifest22e55e555731d641427ef39e4f014723e5ef6ad10b3828bfef55e0acae8151a0

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturezyC/1PNAd39Nw4mGBRIjO5fG0hTHbQah3MrJvX2V/2tUqqytQ/sWx5oanXyUZvDPWKWhOWW57cQ41hrNBXTzDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:31.434816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083538
observed 811e9d60e20e8d541eee23a177087542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:31.417365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083538/manifest.json
observed 22e55e555731d641427ef39e4f014723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:31.399471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083538/publication.md
observed 6f540c622d0746c42ab172ee4ee63eba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:31.382649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083538/publication.txt
observed 97c12a047feadc0e0cc600766906217e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.